32252521 has 8 divisors (see below), whose sum is σ = 36960320. Its totient is φ = 27569808.

The previous prime is 32252503. The next prime is 32252579. The reversal of 32252521 is 12525223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32252521 - 2⁵ = 32252489 is a prime.

It is a super-2 number, since 2×32252521² = 2080450221710882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32252492 and 32252501.

It is not an unprimeable number, because it can be changed into a prime (32252501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3426 + ... + 8731.

It is an arithmetic number, because the mean of its divisors is an integer number (4620040).

Almost surely, 2^32252521 is an apocalyptic number.

It is an amenable number.

32252521 is a deficient number, since it is larger than the sum of its proper divisors (4707799).

32252521 is a wasteful number, since it uses less digits than its factorization.

32252521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12543.

The product of its digits is 1200, while the sum is 22.

The square root of 32252521 is about 5679.1303031362. The cubic root of 32252521 is about 318.3131318254.

Adding to 32252521 its reverse (12525223), we get a palindrome (44777744).

The spelling of 32252521 in words is "thirty-two million, two hundred fifty-two thousand, five hundred twenty-one".